Bicycle alarm with feedback with your own hands. Bicycle alarms

Yesterday I opened the cycling season. I drove to the nearest Auchan (5 km), found there that Philips had new LED bulbs, bought 7 pieces (and at the same time 4 Wolta and 3 REV pieces), today I will test them. While the bike was fastened with a lock, to be honest, I was very much afraid for its fate and thought that in addition to the lock, it would be necessary to put a simple alarm on the bike so that it would yell loudly if someone moves the bike.

The cheapest bike alarm costs $2.7.

The alarm is powered by a Krona battery and is triggered by vibration. It is armed by pressing one button, removed by entering a four-digit code.

Alas, from the reviews it turned out that the alarm eats up the battery in a week, and even if you use the battery, everything is very inconvenient - in order to replace it, you need to remove the alarm from the bike.

And after watching this video, it becomes clear that there is little sense from her.

Reviews of this alarm:
http://mysku.ru/blog/tinydeal/17927.html
http://mysku.ru/blog/aliexpress/35168.html
http://mysku.ru/blog/dealextreme/1422.html

The second option is the same, but with remote control for $5.60.

Alas, even here the battery only lasts for two weeks and knocking it off the bike is just as easy.

The third option is a non-bike alarm starting at $4.90 .

This alarm has a switch that allows you to turn it on only when it is needed. It is advised to fasten the alarm to the frame with Velcro tapes so that they cover the switch.
They write that it yells very loudly and responds well to vibration. There is a magnet inside the case, which makes it easy to install this alarm on metal objects. For example, you can put an alarm on the refrigerator. :)

From serious applications - you can put it in a bag with things when you go swimming (and hide the remote control somewhere separately), you can use it for gardening equipment in the country (for example, leave a pump or generator outside and know that if someone bites at night for your good, everyone will know about it).

Reviews of this alarm.

A new generation device - an alarm for a bicycle with a remote control, is a new level protection of this vehicle. Nowadays, to ensure the safety of property, not only a metal cable with a lock is used, but also an alarm that is triggered during an attempt to cut it. In addition, a combination lock can be used, which the owner of the bicycle is able to fix under the seat. If an intruder tries to move the bike, a siren will sound. However, these protective equipment have a significant drawback, because battery power can be easily removed and the system will not work. This is exactly what attackers use.

A new type of protection eliminates this shortcoming. Applying remote control alarm remote control, which also acts as an alarm, the owner of the bike can ensure the safety of his property. The device is easily attached to the frame using a clamp-shaped mount, which is located on the body. The mounting screws supplied with the kit are also used. To control such an alarm, manufacturers have provided a remote control.

Features of the remote control

With this device, the owner can disarm the bike. In addition, by pressing a specially provided button, he is able to activate the alarm. A short beep will inform you about this. To turn off the alarm, another button is provided, the activation of which is also accompanied by a sound signal.

When the device is in activated mode, it is able to effectively respond to a wide range of bicycle vibrations, shocks and shocks, while emitting a loud sound. In addition, the alarm signal will be transmitted to the remote control, which is held by the owner. The infrared remote control is capable of operating at a distance of 10 meters, and if the space is open, the range is up to 30 meters.

To power the electronic alarm, one Krona battery is used, the voltage of which is 9V. The remote control is also powered by a battery (“tablet”).

Efficiency

When a thief tries to cut down a lock and steal a bike a loud alarm will be activated, which will frighten off the intruder. Modern devices are perfectly protected from moisture and are able to work even in bad weather. Their body is made of special plastic.

The alarm volume is approximately 110 dB, which can scare away a thief. After all, the alarm also attracts the attention of passers-by. That is why such a device performs its task more efficiently than a conventional lock. Bicycle alarms are convenient and very easy to use. Special fixtures provide a secure fit.

Features of use

If you are going to fix the alarm on the bike, you must first install the battery. After that, using the mounting screws, you need to fix the device, for example, on a pin under the saddle. Using the remote control, you need to activate the alarm, and an audible signal will be heard. The system will go into working state after 5 seconds. In the same way, the alarm is turned off, only another button is used.

Experts recommend using a U-shaped bicycle lock with an alarm. A bicycle guard like this will work effectively. Using the usual chains and locks, the owner of the bike is always at risk, because they can be easily removed. However, an alarm with a remote control will inform the owner of an attempted theft.

The alarm can be used not only to protect the bike. It can be installed on other items as well. After all, sometimes you have to protect garden tools and much more.

Advantages of an alarm system with a remote control

Modern GPS signaling for a bicycle with feedback has unique advantages that allow the owner of this vehicle to control the safety of his own property.

The system is characterized by the ability to:

• provide feedback using the remote control;
• economically consume electrical energy;
• emit a high power signal;
• warn about low battery;
• warn if connection is lost;
• securely encrypt radio signals;
• provide a bike search mode;
• provide a range of up to 500 meters.

The compact dimensions of the alarm system make it possible to install it discreetly. The remote control has the same compact dimensions.

Do-it-yourself alarm

In order to make a bicycle alarm yourself, no deep knowledge is required. There are many ways to collect it. However, such a homemade device is always unreliable and very vulnerable. The risk of failure is very high. Therefore, it is best to trust the protection of the bike to professionals. Experts recommend using a lock with an audible alarm, GPS control and a powerful chain together. Only then will the bike be under reliable protection.

FAST Smart LED Taillight for Bicycle

A smart rear light will help warn others about an accident or unauthorized movement of the bike (or simply theft). The flashlight is photosensitive and can change the color and brightness of its glow depending on the illumination. It is based on RGB LEDs. The lamp can be mounted on the back of the bike, performing some intelligent functions. Management is carried out through an application for smartphones, which we simply called "FAST". We hope this light will enhance the safety of your cycling by adding an unforgettable experience to your cycling.

Possible smart functions:

emergency communication

Cycling is a pretty unsafe activity and accidents can happen at any moment. Acceleration sensor and simultaneous motion tracking will help you get immediate help in case of an emergency. First, a strong collision or a sharp turn will cause the light to change mode, signaling an SOS signal, so you can easily be seen at night. Secondly, the smart flashlight will start transmitting information about you to your friends on their smartphones (this is the so-called emergency communication channel), letting them know that you are in an emergency and you need help. Your friends will receive a notification on the screen that they urgently need to go to the FAST application in the "SOS" section to receive emergency information about you.

Automatic brightness change

If the ISO-Auto function is activated, the flashlight will be light sensitive to ambient light. For example, when you drive into a dark tunnel or a dark place, the flashlight will automatically turn on with a bright light.

Anti-theft feature

Bicycle anti-theft devices are a big inconvenience to use, especially when you only have to leave your bike for a couple of minutes to buy a cup of coffee or small change. Thanks to our development, you will not have to tie your bike for a long time. By simply pressing the "Lock" button in our dedicated FAST app on your smartphone, you can safely leave your bike unguarded. If someone tries to steal your bike, thanks to the acceleration sensor connected to the application on your smartphone via Bluetooth, you will immediately receive an alarm. Simultaneously with the alarm, the rear light will flash brightly in different colors.

Full color LED customization

Ordinary taillights are boring! But with the use of a variety of individually configurable full-color LEDs, this is already more interesting. The taillight has eight RGB LEDs. You can customize your favorite color and pattern right through the FAST app on your smartphone! We have added such an interesting feature to the flashlight as the display of small words in the form of Morse code. For example, you can transmit your name, or the name of your favorite pet, through the lantern. In addition, if you live in countries where the law only requires a red rear light, then you can easily adjust it within the law.

Here are some possible modes of operation of the rear lights:

double flash

Roundabout Circulation

random colors

Lights passing by

breathing lamp

Red glow (for countries where required by law)

A little about the FAST application

Through the application, you can both view and change the LED flashing mode, check the driving status and much more by simply tapping on the desired function with your finger.

Available features in the FAST app

Checking the battery level in the flashlight, as well as information about the color and brightness

Turn on/off Auto ISO, Alarm sound, low battery notification, and use emergency channel

Activation of anti-theft mode

Setting the mode of operation of the flashlight, color and brightness of light

Customization of certain scenarios, such as using a lantern as a night light

Flashlight firmware update

Application operation in the "Community" mode

The FAST app allows you to share locations between friends in real time. You can join a group of your friends using a two-dimensional QR code, which can be sent to you, for example, by e-mail. Once you have joined the group, you can check the location of your friends, and if someone gets into an accident, the application will immediately notify you by switching the friend's color to red.

With the FAST application, you can keep a log that will record your movements in real time, as well as allow you to calculate the driving time, average speed, calories, etc. This data can be saved or shared on social networks Facebook, Twitter, wechat, etc.

Modern production design

How can you quickly and securely attach a light to the back of your bike? With the help of a special adjustable mount with a strap, the lamp can be easily installed on any type of frame of various bicycles.

Thanks to a special optical coating and a special geometric shape, the FAST tail light continues to reflect light even when it is turned off. In order to protect the internal electronic components, we have made rubber sealing of the body, thus making the flashlight waterproof and dustproof.

Using the button on the back of the flashlight, you can quickly change the flashing mode of the LEDs, as well as turn it off. The battery is charged by a charger with a Micro USB connector.

Specifications

The FAST rear light is equipped with 8 RGB LEDs that can display up to 16 million colors. Controlled via Bluetooth Low Energy technology with OTA (Over The Air) support. Power is provided by a lithium-polymer battery with micro USB charging. It's all very environmentally friendly and convenient.

What's more, the FAST rear light can be used as a small night light, or as a small portable lamp!

A conventional bicycle anti-theft device will rarely stop a thief, who is sometimes able to drag the bicycle away by hand. There is no perfect defense against kidnapping, but a brief alarm can scare off the occasional thief.

Proposed bicycle alarm is activated if its position is barely changed, or if it is touched. The alarm sound emitted by the piezoelectric emitter continues for 30 seconds. After the end of the first series of alarms, it repeats until the alarm is turned off.

Description of the bicycle alarm

The security alarm system for a bicycle has three main blocks: a vibration sensor, a siren activation delay timer, and an alarm sound generator.

The bicycle alarm vibration sensor is made of a rather long and flexible spring, one end of which must be soldered to a small piece of double-sided fiberglass (10 mm x 10 mm). Then this fragment must be soldered perpendicularly to the printed circuit board from the soldering side. The second end of the spring is threaded through a tinned washer, which is also soldered to the board. Thus, at the moment of impact, the spring either closes to the washer, or not, which leads to a change in the signal on the inverters DD1.1 and DD1.2.

When a positive pulse appears at the input 1 of the element DD2.1 at the same moment, a negative pulse appears at the input 2 of the same element and vice versa. The pulse from output 3, passing through the inverter DD2.2, starts a single vibrator on the logic elements DD2.3 and DD2.4, which performs 30 seconds. delay. This delay is calculated by the formula: t1 = 0.7 x R7 x C6, where R7 is in megaohms, C6 is in microfarads.

The chain of elements R4 and C3 provide a time delay after the alarm power is turned on, necessary for the spring sensor to calm down and there are no false positives. The time delay is calculated as follows: t2 = 0.7 x R4 x C3.

The sound source is a piezo emitter. Rectangular signals to the piezo emitter come from the element DD1.4. Its frequency is determined by the parameters of the elements C7, R8, R9. In order to create sufficient audio signal power, this oscillator frequency must match the resonant frequency of the piezoelectric buzzer. To draw the attention of others, the sound signal is replaced by a low frequency sound signal created by a second multivibrator.

To select a different duration of the intermittent sound of a bicycle alarm, you should select the capacitance of the capacitor C6 from 10 to 100 microfarads.