IR remote controlled amplifier main board
About the IR remote controlled amplifier main board
IR remote controlled amplifier main board is an open source AVR/Arduino PCB design by ak1211, published on GitHub under the MIT license. It is a 2-layer board measuring 159 × 100 mm, with 123 components from 52 distinct parts.
Its main chip is the ATMEGA328P-P, from the AVR/Arduino family. Other key parts include the NJU7223DL1, NDS9936, FDS4935, MCWI03_12D05 and LME49720. By type, the board carries 46 resistors, 32 capacitors, 18 ICs, 11 connectors, 6 diodes and 2 transistors.
It belongs with the audio designs in this gallery.
From the project
Infra Red remote control amplifier
Main components on the IR remote controlled amplifier main board
IR remote controlled amplifier main board bill of materials (BOM)
123 components, 52 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATMEGA328P-P | DIP-28_W7.62mm_LongPads | IC1 |
| 1 | NJU7223DL1 | sot428 | U1 |
| 4 | NDS9936 | SOIC-8_3.9x4.9mm_Pitch1.27mm | U2, U10, U12, U13 |
| 2 | FDS4935 | SOIC-8_3.9x4.9mm_Pitch1.27mm | U3, U17 |
| 1 | MCWI03_12D05 | MINMAX_MCWI03-12x | U4 |
| 2 | LME49720 | DIP-8_W7.62mm_LongPads | U5, U6 |
| 1 | LM1972 | SOIC-20_7.5x12.8mm_Pitch1.27mm | U7 |
| 2 | LME49600 | LME49600 | U8, U9 |
| 1 | LMC6482 | DIP-8_W7.62mm_LongPads | U11 |
| 1 | PL-IRM2161 | PL-IRM2161 | U14 |
| 2 | TLP121 | Optocoupler_SMD_HandSoldering_KPC357_LTV35x_PC357_SingleChannel | U15, U16 |
| 1 | 2SK2411 | sot404 | Q1 |
| 1 | 8MHZ 8MHz | CERALOCK | Q2 |
| 1 | BARREL_JACK | BARREL_JACK | CON1 |
| 1 | 1ch IN | AJ-1780 | J1 |
| 1 | 2ch IN | AJ-1780 | J2 |
| 1 | PHONE OUT | AJ-1780 | J3 |
| 1 | AMP_POWER | Socket_MOLEX-KK-RM3-96mm_Lock_2pin_straight | P1 |
| 1 | OUT ch.L | Socket_MOLEX-KK-RM2-54mm_Lock_2pin_straight | P2 |
| 1 | OUT ch.R | Socket_MOLEX-KK-RM2-54mm_Lock_2pin_straight | P3 |
Show 32 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AVRISP | AVRISP_Angled | P4 |
| 1 | DISPLAY | Socket_MOLEX-KK-RM2-54mm_Lock_4pin_straight | P5 |
| 1 | STBY | Socket_MOLEX-KK-RM2-54mm_Lock_3pin_straight | P7 |
| 1 | MUTE | Socket_MOLEX-KK-RM2-54mm_Lock_3pin_straight | P8 |
| 1 | PolySW 1.85A | Fuse_TE5_Littlefuse-395Series | F1 |
| 1 | GND_SUMMING_PT | GND_SUMMING_PT | G1 |
| 1 | R_ENC_SW_RGB_LED | EC12PLRGBSDHF | RE1 |
| 1 | RESET | ALPS_TACT_SW_SKHHL | SW1 |
| 1 | P*** | hole_m3 | hole_m3 |
| 1 | G5V2 | G5V-2 | inputRLY1 |
| 1 | LED | LED-0805 | D1 |
| 2 | 02CZ3.3(3.3V) | SC-59 | D2, D3 |
| 3 | 1N4148W1 | SOD-123 | D4, D5, D6 |
| 2 | 220U 220u | Choke_SMD_10.4x10.4_H4.8 | L1, L2 |
| 1 | 220U 220u | c_elec_10x10.5 | C1 |
| 1 | 47U 47u | c_elec_10x10.5 | C2 |
| 1 | 8200U 8200u | C_Radial_D18_L36_P7.5 | C3 |
| 6 | 22u(tantalum) | TantalC_SizeA_EIA-3216_HandSoldering | C4, C5, C6, C7, C29, C30 |
| 14 | 1u(film) | C_1206_HandSoldering | C8, C9, C12, C13, C14, C15, C16, C17 +6 |
| 2 | open | C_1206_HandSoldering | C10, C11 |
| 7 | 0.1U 0.1u | C_0805_HandSoldering | C22, C23, C24, C25, C31, C32, C33 |
| 7 | 10 | R_0805_HandSoldering | R1, R5, R22, R30, R33, R36, R42 |
| 14 | 10K 10k | R_0805_HandSoldering | R2, R6, R23, R24, R25, R26, R27, R29 +6 |
| 3 | 33K 33k | R_0805_HandSoldering | R3, R7, R46 |
| 1 | 33(2W) | Resistor_Horizontal_RM20mm | R4 |
| 3 | 4.7K 4.7k | R_0805_HandSoldering | R8, R38, R39 |
| 2 | open | R_0805_HandSoldering | R9, R10 |
| 8 | 1k | R_0805_HandSoldering | R11, R12, R17, R19, R20, R21, R28, R31 |
| 4 | 1M | R_0805_HandSoldering | R13, R14, R15, R16 |
| 1 | 100K 100k | R_0805_HandSoldering | R18 |
| 1 | 1.2K 1.2k | R_0805_HandSoldering | R34 |
| 2 | 330 | R_0805_HandSoldering | R40, R41 |
IR remote controlled amplifier main board design files
The KiCad project lives in the ak1211/IR-control-amp repository on GitHub; these links point at the commit this page was built from.
IR remote controlled amplifier main board: common questions
What microcontroller does the IR remote controlled amplifier main board use?
The IR remote controlled amplifier main board is built around the ATMEGA328P-P, from the AVR/Arduino family.
How big is the IR remote controlled amplifier main board?
The IR remote controlled amplifier main board measures 159 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the IR remote controlled amplifier main board?
123 components, from 52 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the IR remote controlled amplifier main board design files?
From the ak1211/IR-control-amp repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the IR remote controlled amplifier main board design in my own project?
Yes, under the terms of its MIT license, which ak1211 chose for the repository.
Can I test firmware for the IR remote controlled amplifier main board without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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