Mikoto flashbed
About the Mikoto flashbed PCB
Mikoto flashbed is an open source PCB design by zhiayang, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 54 × 41.5 mm, with 48 components from 17 distinct parts.
Other key parts include the C1851953. By type, the board carries 20 diodes, 20 resistors, 6 connectors, 1 IC and 1 switch.
It belongs with the iot & wireless, keyboards and power & battery designs in this gallery.
From the project
Bluetooth LE nRF52840 microcontroller in a pro-micro footprint.
nRF52840 microcontroller, in a pro-micro footprint, inspired by the nRFMicro and nice!nano.
See the changelog for the revision history (and compatibility)
1. VDDH power path (5V USB power, and/or 3.7V Li-ion battery) 2. software controllable battery charge current (off, ~100mA, ~250mA, ~350mA) 3. ESD protection on USB lines, and 500mA fuse protection for VBUS and EXT5V 4. "Bidirectional" power over EXT5V
Main components on the Mikoto flashbed
Mikoto flashbed bill of materials (BOM)
48 components, 17 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C1851953 mikoto-pins | mikoto-pins | U1 |
| 1 | USB_C_RECEPTACLE_USB2.0 Conn_01x01 | TestPoint_THTPad_D2.0mm_Drill1.0mm | J1 |
| 4 | Conn_01x01 | TestPoint_THTPad_D2.0mm_Drill1.0mm | J2, J3, J4, J5 |
| 1 | Conn_01x05 | PinHeader_1x05_P2.54mm_Horizontal | J7 |
| 1 | TVBP06 | TACT_SWITCH_TVBP06 | SW1 |
| 1 | C72041 LED_Small | LED_1206_3216M_Castellated-nosilk | D1 |
| 17 | LED_Small | LED_1206_3216M_Castellated-nosilk | D2, D4, D6, D7, D8, D9, D10, D11 +9 |
| 1 | C72038 LED_Small | LED_1206_3216M_Castellated-nosilk | D3 |
| 1 | C50704 LED_Small | LED_1206_3216M_Castellated-nosilk | D5 |
| 1 | C51721 2.2k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1 |
| 3 | C138014 2.2k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R2, R3, R12 |
| 1 | C26082 2.2k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R4 |
| 1 | C25867 2.2k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R5 |
| 3 | C25744 2.2k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R6, R7, R8 |
| 2 | C25905 2.2k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R9, R10 |
| 1 | C17168 2.2k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R11 |
| 8 | 2.2k | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R13, R14, R15, R16, R17, R18, R19, R20 |
Mikoto flashbed design files
The KiCad project lives in the zhiayang/mikoto repository on GitHub; these links point at the commit this page was built from.
Mikoto flashbed: common questions
How big is the Mikoto flashbed PCB?
The Mikoto flashbed measures 54 × 41.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Mikoto flashbed?
48 components, from 17 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 Mikoto flashbed design files?
From the zhiayang/mikoto 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 Mikoto flashbed design in my own project?
Yes, under the terms of its Apache-2.0 license, which zhiayang chose for the repository.
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