;**************************************************************************** ;* * ;* (c)2001 gabriele bellini * ;* * ;* project_01a: * ;* a universal infrared remote controller for your Sony MD walkman * ;* * ;* -> part list * ;* * ;**************************************************************************** ;* * ;* R1: 47ohm 1/4W resistor 5%tol * ;* R2: 10kohm 1/4W resistor 5%tol * ;* R3: 10kohm 1/4W resistor 5%tol * ;* R4: 330ohm 1/4W resistor 5%tol * ;* * ;* C1: 22pF ceramic capacitor * ;* C2: 22pF ceramic capacitor * ;* * ;* D1: 1N4001 diode * ;* * ;* DL1: 5mm RED led * ;* * ;* DZ1: 5.1V 1/4W zener diode * ;* * ;* XTAL1: 4MHz crystal oscillator * ;* * ;* U1: Sharp GP1U281Q * ;* U2: Microchip PIC16F84-04 * ;* U3: Dallas semiconductor DS1803-050 * ;* U4: Maxim MAX323CPA * ;* * ;* S1: 18 pin DIL socket (for PIC16F84) * ;* S2: 16 pin DIL socket (for DS1803) * ;* S3: 8 pin DIL socket (for MAX323) * ;* * ;* CN1: female power plug * ;* CN2: male power connector * ;* CN3: 4-pin Sony remote controller connector * ;* CN4: 3.5mm stereo jack * ;* CN5: female RCA connector * ;* CN6: female RCA connector * ;* * ;****************************************************************************