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DFR0781 on a board, in 3D

DFR0781

DFRobot

SMD-31P Bluetooth Modules ROHS

Extended
DatasheetJLCPCBLCSCdfrobot/DFR0781
Category
Bluetooth Modules
Package
SMD-31P
Pins
5

Overview

The DFR0781 is a bluetooth Module made by DFRobot in a SMD-31P package with 30 pins. SMD-31P Bluetooth Modules ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:DFR0781, from EasyEDA) and its footprint (EasyEDA_Cloud:COMM-SMD_L23.0-W15.5-P1.27_DFR0781, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C7265136). 1 open-source board in 1 repository on GitHub use it.

Symbol

PA31PA42PA53USBDM4USBDP53V36DVDD7PA08DACR9DACL10SGND11GND12VCC13PC114PC315PC416PC517PR218PR119PB620PB521PB422PB323PB224PB1/RX25PB0/TX26GND27TX28RX295V30
EasyEDA_Cloud:DFR0781From EasyEDA

Footprint

123456789101112131415161718192021222324252627282930
EasyEDA_Cloud:COMM-SMD_L23.0-W15.5-P1.27_DFR0781From EasyEDA

Parameters

6
Communication Distance
10m
Features
BT/BLE dual mode
Interface Type
GPIO, PWM, UART
Operating Temperature
-40℃~+80℃
Voltage - Supply
3.3V~5V
Wireless Standard
Bluetooth 5.0

Order codes

1

Pinout

30
The pins of the DFR0781
PinNameType
1PA3Unspecified
2PA4Unspecified
3PA5Unspecified
4USBDMUnspecified
5USBDPUnspecified
63V3Unspecified
7DVDDUnspecified
8PA0Unspecified
9DACRUnspecified
10DACLUnspecified
11SGNDUnspecified
12GNDUnspecified
13VCCUnspecified
14PC1Unspecified
15PC3Unspecified
16PC4Unspecified
17PC5Unspecified
18PR2Unspecified
19PR1Unspecified
20PB6Unspecified
21PB5Unspecified
22PB4Unspecified
23PB3Unspecified
24PB2Unspecified
25PB1/RXUnspecified
26PB0/TXUnspecified
27GNDUnspecified
28TXUnspecified
29RXUnspecified
305VUnspecified

Open-source boards using it

All 1
  • 4 layers96 × 71.9 mm260510-Digital hearing aid, the printed circuit board in 3D

    260510-Digital hearing aid

    RV-crtl/Digital-Hearing-Aid-G1

    Anna — controls · Ryan — BT/telecoil · Mariya — microphone/DSP · Naomi — speaker output · Interface contracts

    236 parts

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/dfrobot/DFR0781" title="DFR0781 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/dfrobot/DFR0781.jpg" alt="DFR0781" width="1200" height="900">
A picture that opens the part, for a README
[![DFR0781](https://pcbkit.io/embed/parts/dfrobot/DFR0781.jpg?size=s)](https://pcbkit.io/parts/dfrobot/DFR0781)

Questions

Is there a KiCad symbol and footprint for the DFR0781?

Yes. The symbol is EasyEDA_Cloud:DFR0781 and the footprint EasyEDA_Cloud:COMM-SMD_L23.0-W15.5-P1.27_DFR0781, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the DFR0781?

SMD-31P, with 30 pins. Its footprint is drawn on this page.

Where is the DFR0781 datasheet?

DFRobot publishes it: the Datasheet link on this page opens it.

Where can I order the DFR0781?

JLCPCB lists it as part C7265136, with 0 in stock; the sellers' links on this page open their listings.

Which open-source boards use the DFR0781?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.