HearingAid Left
About the HearingAid Left PCB
HearingAid Left is an open source PCB design by AveryLion03, published on GitHub. It is a 2-layer board measuring 20.8 × 15.3 mm, with 22 components from 19 distinct parts.
Other key parts include the AP2112K-3.3, MAX98357A, TP4056 and DW01A. By type, the board carries 9 resistors, 4 ICs, 3 capacitors, 2 transistors, 2 diodes and 1 connector.
From the project
Plan II Thesis - Avery Atchley
Main components on the HearingAid Left
HearingAid Left bill of materials (BOM)
22 components, 19 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AP2112K-3.3 | SOT-23-5 | U1 |
| 1 | MAX98357A | TQFN-16-1EP_3x3mm_P0.5mm_EP1.23x1.23mm | U2 |
| 1 | TP4056 | SO08-PAD-300 | U3 |
| 1 | DW01A | SOT95P280X145-6N | U4 |
| 1 | PMOS | DMP3099L-7 | Q1 |
| 1 | FS8205A | SOT-23-6 | Q2 |
| 1 | 12402012E212A | AMPHENOL_12402012E212A | J1 |
| 1 | Battery_Cell | BatteryHolder_Keystone_3034_1x20mm_CustomCourtyard | BT2 |
| 1 | GREEN_LED | LED_0402_1005Metric | D1 |
| 1 | RED_LED | LED_0402_1005Metric | D2 |
| 1 | 4.7UF 4.7uF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C1 |
| 1 | 10UF 10uF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C2 |
| 1 | 100NF 100nF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C9 |
| 1 | 100K 100k | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R1 |
| 2 | 5.1K 5.1k | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R2, R3 |
| 3 | 1k | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R4, R5, R7 |
| 1 | 2k | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R6 |
| 1 | 100 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R9 |
| 1 | 100K 100k | R_0402_1005Metric | R10 |
HearingAid Left design files
The KiCad project lives in the AveryLion03/HearingAid repository on GitHub; these links point at the commit this page was built from.
HearingAid Left: common questions
How big is the HearingAid Left PCB?
The HearingAid Left measures 20.8 × 15.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the HearingAid Left?
22 components, from 19 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 HearingAid Left design files?
From the AveryLion03/HearingAid repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the HearingAid Left design in my own project?
The repository has no license, so all rights stay with AveryLion03. Use it as a reference, and ask the author before reusing the design.
