GEVV Archive

Simple Cheap PIC and dsPIC Programmer Circuit

The programming circuit can program PIC30F series dspic and other classic pic microcontrollers. The software used is Win Pic Programmer computer connection, supply voltage max. 16 volts dc via serial..

Power Amplifier with Output Headphone Connection

Headphones are not connected to the amplifier audio outputs, loud sound damages the headphones. A two-channel circuit designed to connect headphones to the high outputs, in addition to the circuit..

PIC16F84A Programmable Dual Timer Circuit

In the timer circuit, there are buzzer and audible warning section and relay outputs for control after timing. The supply voltage is 12 volts dc. It is fed through the..

PIC16F88 12V SLA Battery Charger Circuit

Microcontroller used in the circuit pic16f88 description circuit diagram, asm hex codes pcb file. It can provide 10 amperes of charging current. It can be used to charge 60A batteries,..

Remote Controlled Security System with PIC16F628 PIC16F88

Ideal for keyless entry for doors in the car, home and industry, this Keyless Entry System includes a rolling code to provide high security. It also has two door knock..

45-Seconds Voice Recording Circuit with HK828

Voice Recording Circuit HK828 and LM358 based on the supply voltage 9-14 volt DC Microphone with 45 seconds voice recording can be done recording the sound level rises to the..

Hand Drill Battery Charge Controller with PIC16F88 Microcontroller

It has many features such as charging screwdrivers, which are frequently used in technical services, programming a charging circuit designed for drills, and temperature control with LED indicator. Micro Controller..

PIC16F88 230V Fan Controller Timer Circuit

Timing circuit is operating with high voltage Be careful. The supply of the control circuit is taken from the mains without isolation. Be careful when testing while making connections Microcontroller..

MQ-7 Carbon Monoxide Alarm Circuit PIC16F88

Carbon monoxide alarm circuit, which detects using the MQ-7-CO Sensor, operates on the PIC16F88 Microcontroller, the operating voltage is 12v dc, it detects carbon monoxide and pulls the 12v relay..

PIC16F628 Microcontroller Heart Beat Control Circuit

As far as I understand, the circuit is designed to be used in first aid training, it may be used for control in heart massage with a model in electronic..