PCBs.io ships via ePacket (full tracking) from the US to eligible countries on orders exceeding $15.

Board #1
Board Name:
Dimensions:
Price:
Quantity: (must be a multiple of 4)

Total Cost:

Created by freynder on 2018-09-08 18:53:35

Description: A Small STM32F103C8T6 board with all functional pins exposed. Similar to the BluePill board except:

  • no regulator. Will be powered by 2 AA batteries.
  • no USB
  • No LED
  • No BOOT0/BOOT1 jumper pins. BOOT0 can be pulled high by a button, BOOT1 is pulled low permanently but exposed by a PIN.
  • smaller crystals
  • RFM69CW + RFM69(H)W + RFM69HCW footprints + u.FL connector
  • VBAT can be disconnected from VCC by cutting the solder jumper on the back.

Parts can be sourced from aliexpress.

The size is 36.56mm x 20.32mm (1.4" x 0.8"). 5 mils trace width and clearance. 20 mils edge clearance.

Tested succesfully V3 with jlcpcb order.
Test failed with V3.4 pcbs.io order due to imposed edge clearance. Should be corrected as of V4.3.
V5 has not yet been tested.

github repo: https://github.com/freynder/STM32_Sensor

Pinout diagram (draft)

Pinout Diagram (draft)

BOM

BOM

License: CC-BY 4.0
Project URL: https://github.com/freynder/STM32_Sensor
Board Revision: 5.0
Tags: stm32 rfm69 sensor mysensors node stm32f103c8t6 stm32f1 sensor small

Jump to: Checkout Add another PCB

Board Images:

Top View - Complete Board

Top View - Complete Board

This is what your finished board will look like from the top.

Bottom View - Complete Board

Bottom View - Complete Board

This is what your finished board will look like from the bottom.

Board Outline

Board Outline

This shows the outline of your board, it will be cut to this shape.

Top Copper Layer

Top Copper Layer

This shows where the copper will remain after etching the top of the board.

Bottom Copper Layer

Bottom Copper Layer

This shows where the copper will remain after etching the bottom of the board. (mirrored)

Top Soldermask

Top Soldermask

This shows where soldermask will be applied on the top over the bare copper board.

Bottom Soldermask

Bottom Soldermask

This shows where soldermask will be applied on the bottom over the bare copper board. (mirrored)

Top Silkscreen

Top Silkscreen

This is the white print that will be printed on the top of the board.

Bottom Silkscreen

Bottom Silkscreen

This is the white print that will be printed on the bottom of the board. (mirrored)

Drill Holes

Drill Holes

This shows all the holes that will be drilled in your board.

Add another PCB (click to browse, or drag file here)
Accepts Eagle BRD Files or zip, tar, or tar.gz of Gerbers (more info)
Shipping Address











Create an account
Pick a username (used for optionally sharing boards) and password and we'll make you an account!
(leave both blank to skip)

Already have an account? Sign in!



Creating an account allows you to re-order boards, get rewards, and save your shipping info!
Order your boards!
Subtotal:
$4.48
Shipping:

Get Delivery Estimate

Tax (FL state):
$0.00
Rewards Discount:
$0.00
Total:
$4.48

Pay with Credit Card or Bitcoin
(Visa, MC, Discover, Amex, Diners Club, JCB, Bitcoin - via Stripe)

Pay with Paypal