dcuartielles:
Smapler v0001r2 by BlushingBoy
dcuartielles:
IC sockets, 28DIP for the processor, 8DIP for the opamp
dcuartielles:
SD card socket
dcuartielles:
33nF and 47nF capacitors for the loops in the amplifier
dcuartielles:
jumper to connect the analog and digital grounds, to avoid noise in the circuit
dcuartielles:
Smapler v0001r2 by BlushingBoy
dcuartielles:
2K Resistors for the reading/writing to SD cards
dcuartielles:
Smapler v0001r2 by BlushingBoy
dcuartielles:
PS2 connector for mouse, keyboard, Barcode reader ...
dcuartielles:
22pF capacitors for filtering the noise in the clock
dcuartielles:
100nF capacitor for the opamp
dcuartielles:
connector for burning the bootloader on the board (just in case you want to experiment)
dcuartielles:
1K Resistors for the reading/writing to SD cards
dcuartielles:
electrolitic capacitors for decoupling the sound signal
dcuartielles:
DC jack, you can push up to 25VDC to the system
dcuartielles:
Reset button and 16MHz crystal
dcuartielles:
Diodes (power 1n4004 and 3v3 zener) to protect the circuit and 27Ohm resistor
dcuartielles:
electrolitic capacitors to filter the power supply
dcuartielles:
connector for the typical USB-serial cable FTDI mode
dcuartielles:
3mm LEDs, one for the power and three connected to PWM enabled pins
dcuartielles:
10Ohm and 10K for the sound amplifier
dcuartielles:
220Ohm Resistors for LEDs and 10K for the reset button
dcuartielles:
the 7805 voltage regulator
dcuartielles:
soundjack
dcuartielles:
100nF capacitors for cecoupling the ICs, filter the 5V supply and activate the autoreset
dcuartielles:
General view so far
dcuartielles:
Smapler v0001r2 by BlushingBoy