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MakerFocus ESP32 Development Board WiFi with 0.96inch OLED Display WIFI Kit32 Arduino Compatible CP2012 for Arduino Nodemcu

MakerFocus ESP32 Development Board WiFi with 0.96inch OLED Display WIFI Kit32 Arduino Compatible CP2012 for Arduino Nodemcu

Q: How do i connect to arduino ide? i can't figure it out from the referenced web site

This Heltec board differs somewhat from other ESP32 boards with an OLED display I have used. For example, programs that work with the Wemos Lolin32, I've had to edit the display() constructor as follows: "SSD1306 display(0x3c, 4, 15):". Also you must reset the OLED display in setup() with the following code: "pinMode(16,OUTPUT); digitalWrite(16, LOW); delay(50); digitalWrite(16, HIGH);". You can see an example of this in the file "Heltec-Aaron-Lee/WiFi_Kit_series/esp32/libraries/OLED/examples/SSD1306SimpleDemo/SSD1306SimpleDemo.ino" on github.com.

Q: Does the display use i2c or other?

It uses I2C. CLOCK = 15, DATA = 4, RESET = 16 If you are using the U8G2 library, the line you want for software rendering is "U8G2_SSD1306_128X64_NONAME_F_SW_I2C g_OLED(U8G2_R2, CLOCK, DATA, RESET)" For hardware rendering, the order of the pins changes "U8G2_SSD1306_128X64_NONAME_F_HW_I2C g_OLED(U8G2_R2, RESET, CLOCK, DATA)"

Q: Is this preflashed? some heltec esps will boot when powered via usb outa the box, this doesn't seem to.

Mine did but I reflashed it right away with my own program

Q: Is there a breakout board with terminal blocks this fits in? Doesn't seem to fit those made for devkit c.

I think I just plugged ribbon header cables into it to test.

Product ID: 295371241

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Details

Brand
MakerFocus
Memory Storage Capacity
8 MB
Connectivity Technology
Wi-Fi USB
Wireless Communication Standard
802.11abg
Compatible Devices
Arduino

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Description

MakerFocus ESP32 Development Board WiFi with 0.96inch OLED Display WIFI Kit32 Arduino Compatible CP2012 for Arduino Nodemcu

Specifications

Brand	MakerFocus
Manufacturer	Heltec
Item Height	0.05 Inches
Item Width	1 Inches
Product Dimensions	5 x 2.54 x 0.13 cm; 4.54 g
Item model number	8541612336
Processor Count	2
Memory Technology	LPDDR
Memory Clock Speed	240 MHz
Wireless Type	802.11abg
Voltage	3.3 Volts
Are Batteries Included	No
Manufacturer	Heltec
Country of Origin	USA
Item Weight	4.54 g

Have a Question? See What Others Asked

How do i connect to arduino ide? i can't figure it out from the referenced web site

Does the display use i2c or other?

Is this preflashed? some heltec esps will boot when powered via usb outa the box, this doesn't seem to.

Is there a breakout board with terminal blocks this fits in? Doesn't seem to fit those made for devkit c.

Common Questions

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