Waveshare Core407V

• Quick overview
• Notes
  • 1
• Connections
  • Buttons
    • Analog inputs
  • Rotary encoders
  • Potentiometers
  • FSRs
  • Single-color LEDs
  • RGB LEDs
  • Displays
  • DIN MIDI
  • Touchscreen

Quick overview

• Power: Mini USB
• MCU: STM32F407VE
• DIN MIDI: Yes [1]
• LED indicators: No
• Digital inputs: 32
• Digital outputs: 24
• Analog inputs: 16
• Schematic: Link

Notes

1

This board doesn't have DIN MIDI connectors and required additional components so those have to be added to board in order to be used. The following schematic should be used:

Pinout is listed in DIN MIDI section.

Connections

Buttons

Button #	Pin 1	Pin 2
0	B12	GND
1	B14	GND
2	D8	GND
3	D10	GND
4	D12	GND
5	D14	GND
6	C8	GND
7	A8	GND
8	A15	GND
9	C11	GND
10	D0	GND
11	D2	GND
12	D4	GND
13	D6	GND
14	B3	GND
15	B5	GND
16	B13	GND
17	B15	GND
18	D9	GND
19	D11	GND
20	D13	GND
21	D15	GND
22	C9	GND
23	A13	GND
24	A14	GND
25	C10	GND
26	C12	GND
27	D1	GND
28	D3	GND
29	D5	GND
30	D7	GND
31	B4	GND

Analog inputs

Button #	Pin 1	Pin 1	Pin 2
32	A0	GND with 10k resistor	3V
33	A1	GND with 10k resistor	3V
34	A2	GND with 10k resistor	3V
35	A3	GND with 10k resistor	3V
36	A4	GND with 10k resistor	3V
37	A5	GND with 10k resistor	3V
38	A6	GND with 10k resistor	3V
39	A7	GND with 10k resistor	3V
40	B0	GND with 10k resistor	3V
41	B1	GND with 10k resistor	3V
42	C0	GND with 10k resistor	3V
43	C1	GND with 10k resistor	3V
44	C2	GND with 10k resistor	3V
45	C3	GND with 10k resistor	3V
46	C4	GND with 10k resistor	3V
47	C5	GND with 10k resistor	3V

Rotary encoders

Encoder #	Pin 1	Pin 2	Pin 3
0	B12	GND	B14
1	D8	GND	D10
2	D12	GND	D14
3	C8	GND	A8
4	A15	GND	C11
5	D0	GND	D2
6	D4	GND	D6
7	B3	GND	B5
8	B13	GND	B15
9	D9	GND	D11
10	D13	GND	D15
11	C9	GND	A13
12	A14	GND	C10
13	C12	GND	D1
14	D3	GND	D5
15	D7	GND	B4

Potentiometers

Potentiometer #	Pin 1	Pin 2	Pin 3
0	3V	A0	GND
1	3V	A1	GND
2	3V	A2	GND
3	3V	A3	GND
4	3V	A4	GND
5	3V	A5	GND
6	3V	A6	GND
7	3V	A7	GND
8	3V	B0	GND
9	3V	B1	GND
10	3V	C0	GND
11	3V	C1	GND
12	3V	C2	GND
13	3V	C3	GND
14	3V	C4	GND
15	3V	C5	GND

FSRs

FSR #	Pin 1	Pin 2	Pin 2
0	3V	A0	GND with 1k resistor
1	3V	A1	GND with 1k resistor
2	3V	A2	GND with 1k resistor
3	3V	A3	GND with 1k resistor
4	3V	A4	GND with 1k resistor
5	3V	A5	GND with 1k resistor
6	3V	A6	GND with 1k resistor
7	3V	A7	GND with 1k resistor
8	3V	B0	GND with 1k resistor
9	3V	B1	GND with 1k resistor
10	3V	C0	GND with 1k resistor
11	3V	C1	GND with 1k resistor
12	3V	C2	GND with 1k resistor
13	3V	C3	GND with 1k resistor
14	3V	C4	GND with 1k resistor
15	3V	C5	GND with 1k resistor

Single-color LEDs

Note: current-limiting resistors are required in order to avoid damage to the board.

LED #	Anode	Cathode
0	B8	GND
1	E0	GND
2	B9	GND
3	B1	GND
4	B11	GND
5	E15	GND
6	E13	GND
7	E11	GND
8	E9	GND
9	E7	GND
10	C14	GND
11	E5	GND
12	E3	GND
13	B10	GND
14	E14	GND
15	E12	GND
16	E10	GND
17	E8	GND
18	B2	GND
19	C15	GND
20	C13	GND
21	E6	GND
22	E4	GND
23	E2	GND

RGB LEDs

Note: current-limiting resistors are required in order to avoid damage to the board.

RGB LED #	Anode (Red)	Anode (Green)	Anode (Blue)	Cathode
0	B8	E0	B9	GND
1	E1	B11	E15	GND
2	E13	E11	E9	GND
3	E7	C14	E5	GND
4	E3	B10	E14	GND
5	E12	E10	E8	GND
6	B2	C15	C13	GND
7	E6	E4	E2	GND

Displays

Signal	Display	Pin
Vcc	Vcc	+3V
GND	GND	GND
SDA	SDA	B7
SCL	SCL	B6

DIN MIDI

This board doesn't have DIN MIDI connectors so they have to be added to the board with corresponding circuitry. Schematic is available here.

MIDI In	MIDI out
C11	C10

Touchscreen

Screen	Pin
Vcc	+5V*
GND	GND
Rx	C6
Tx	C7