Download eprom SAMSUNG SPR915B
Download eprom: tel SAMSUNG SP-R915Bbase93C46.bin tel SAMSUNG SP-R915HANSET93C46.bin
AVR Controlled Dimmer Switch
How does it work? The triac TIC206D (BT136-600D) needs only a small current flowing through the gate to start conducting and turn a light on. This is the reason why they can be directly connected to the microprocessor, which can sink at least 10mA. Most digital circuits can sink much more current then they can [...]
Car Battery Monitor
The circuit is based on PIC16F819 18-pin microcontroller which has an analog-to-digital (A/D) input to monitor the battery voltage and outputs capable of driving LEDs directly, to keep the component count down. There are seven LEDs in all, giving a good range of voltage indication. The topmost LED, LED1, comes on for voltages above 14V [...]
FM Transmitter Low Power
The PCBs and/or a complete kit for this project can be purchased trough the Nuts & Volts Webstore. From magazine: Nuts&Volts September 2008
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