ATM90E26 Featherwing
About the ATM90E26 Featherwing PCB
ATM90E26 Featherwing is an open source PCB design by whatnick, published on GitHub. It is a board measuring 49.9 × 39.4 mm, with 58 components from 27 distinct parts.
Other key parts include the ATM90E26 and CJT1117-5.0-SOT223. By type, the board carries 17 capacitors, 12 resistors, 4 connectors, 2 ICs, 2 diodes and 1 transistor.
From the project
ATM90E26 Featherwing with ongoing development in KiCAD
- SPI mode (requires resoldering of jumpers) - With CS on pin 9 - With CS on pin 10
The ATM90E26 can acquire 1 voltage and 2 current waveforms to perform energy measurement. - Voltage sampling using step-down transformer (9V-12V) and voltage divider - Current sampling using CT with multiplier resistor
Main components on the ATM90E26 Featherwing
ATM90E26 Featherwing bill of materials (BOM)
58 components, 27 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATM90E26 | SSOP-28 | U1 |
| 1 | CJT1117-5.0-SOT223 | SOT-223 | U2 |
| 1 | 8.192MHz | HC49UP | Q1 |
| 1 | AudioJack3 | Jack_3.5mm_CUI_SJ-3523-SMT_Horizontal | J1 |
| 2 | 4P-SMD-2.0-90D | HW4-SMD-2.0-90D | J2, J3 |
| 1 | 12V AC | DC_BARREL_JACK_SMD_2MM | J4 |
| 11 | WIREPADSMD1,27-254 | SMD1,27-2,54 | CF1, CF2, CS1, I2N_IN1, I2P_IN1, INT1, SCLK1, SI/RX1 +3 |
| 3 | JUMPER-PAD-3-NOYES_SILK | PAD-JUMPER-3-NO_YES_SILK | CSMUX1, RXMUX1, TXMUX1 |
| 3 | JUMPER-PAD-3-NOFULL_BOX_SILK | PAD-JUMPER-3-NO_YES_SILK_FULL_BOX | MMD0, MMD1, USEL1 |
| 1 | FEATHERWING_NODIM | FEATHERWING_DIM | MS1 |
| 1 | JUMPER-PAD-2-NOYES_SILK | PAD-JUMPER-2-NO_YES_SILK | SCKMUX1 |
| 1 | GREEN | LED-0603 | PWR1 |
| 1 | MBRA140 | SMA-DIODE | D1 |
| 1 | 20V-1A | SOD-123 | D2 |
| 2 | 10uf | AVX-A | C1, C8 |
| 5 | 100n | C0603 | C2, C6, C9, C16, C17 |
| 2 | 330n | C0603 | C3, C7 |
| 4 | 33n | C0603 | C4, C5, C10, C13 |
| 2 | 27p | C0603 | C11, C12 |
| 1 | 220uF | 140CLH-1010 | C14 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 100uF | 153CLV-0605 | C15 |
| 2 | 100R | R0603 | R1, R5 |
| 5 | 1K | R0603 | R2, R3, R6, R9, R13 |
| 2 | 2.4R | R0603 | R7, R8 |
| 1 | 100K | R0603 | R10 |
| 1 | INF | R0603 | R11 |
| 1 | 12R | 0805 | R12 |
ATM90E26 Featherwing design files
The KiCad project lives in the whatnick/ATM90E26_Featherwing_KiCAD repository on GitHub; these links point at the commit this page was built from.
ATM90E26 Featherwing: common questions
How big is the ATM90E26 Featherwing PCB?
The ATM90E26 Featherwing measures 49.9 × 39.4 mm and is 1.6 mm thick.
How many components are on the ATM90E26 Featherwing?
58 components, from 27 distinct parts. The full bill of materials is listed on this page.
Where can I download the ATM90E26 Featherwing design files?
From the whatnick/ATM90E26_Featherwing_KiCAD repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the ATM90E26 Featherwing design in my own project?
The repository has no license, so all rights stay with whatnick. Use it as a reference, and ask the author before reusing the design.