Download Print this page

DIGWDF ESP/XBee Snap-In User Manual

Wireless adapter board

Advertisement

Quick Links

DIGWDF XBee/ESP Snap-In
Assembly & User Guide
Overview
The ESP/XBee Snap-In is a small, inexpensive multi-purpose wireless adapter
board. It can facilitate using an XBee radio or the ESP-01 module for wireless
reception or the XBee radio if used as a transmitter. Created in 2011, it was the
first adapter that was designed to plug directly into the U5 ST485BN socket of
the Renard SS8, SS16 or SS24 controller for wireless control using the tried-and-
tested XBee radio. With the addition of a 5-pin Renard Plus female header, the
Snap-in can plug directly onto the header of the same configuration on any
Renard Plus controller. Subsequent developments in the wireless industry have
expanded its capability with the inexpensive ESP8266 module for full Wi-Fi
control in place of the popular XBee. The Snap-In is primarily used as a
receiving unit but can also be used as a transmitter or XBee programmer when
using an XBee radio and interfaced to a computer via an inexpensive USB->TTL
adapter.
BOM – Bill of Materials
QTY
1
3.3v regulator, 500ma (optional, but preferred part)
3.3v regulator, 800ma (cheaper substitute for above)
1
3.3v regulator 100ma (optional – for XBee in receive mode only
1
.1uf non-polarized capacitor
1
100uf 16-volt electrolytic capacitor (optional, for ESP)
1
5-pin male header (optional)
1
1x5 female header (optional)
1
2-pin male header (optional)
1
Jumper shunt (optional)
2
Female XBee headers (optional, for XBee only)
2
1x4 stackable headers (optional)
1
3.3v Zener diode (optional, Xmit mode only)
1
XBee module (optional, use Series 1 only)
1
ESP8266 module (optional, use ESP-01 style)
1
2x4 female header (optional, ONLY if ESP8266 module is used)
Parts substitutions
Notice that almost every part is listed as 'optional!' This is because there are many options for
building and using this adapter. Before ordering or installing any parts, the user is highly
encouraged to READ THROUGH this guide to determine exactly how the adapter will be used first
because suggestions will be made for which parts are needed for various configurations. Here are a
few starting guidelines:
If you plan to use an XBee radio in receive mode only, the lower-output L78L33 voltage
regulator will suffice; otherwise, the UA78M33 or LM1117T regulator is required.
If you plan to use the ESP8266 module, you do not need the female XBee headers, the 2-pin
header and shunt jumper or the 3.3 Zener diode. You cannot transmit with the ESP8266
module and this adapter.
Description
DIGWDF XBee/ESP Snap-In Assembly & User Guide – v 20170308 -Page 1
Part #
UA78M33CKCS
Mouser.com
LM1117T
Taydaelectronics.com
L78L33
Taydaelectronics.com
Source

Advertisement

loading
Need help?

Need help?

Do you have a question about the ESP/XBee Snap-In and is the answer not in the manual?

Questions and answers

Summary of Contents for DIGWDF ESP/XBee Snap-In

  • Page 1 If you plan to use the ESP8266 module, you do not need the female XBee headers, the 2-pin header and shunt jumper or the 3.3 Zener diode. You cannot transmit with the ESP8266 module and this adapter. DIGWDF XBee/ESP Snap-In Assembly & User Guide – v 20170308 -Page 1...
  • Page 2 SS16 or SS24. SS24. A 100uf cap is suggested in place of .1uf . Also remember to solder the proper TX/2/0 circuit for your version of the ESP firmware. DIGWDF XBee/ESP Snap-In Assembly & User Guide – v 20170308 -Page 2...
  • Page 3 RX line of the USB-TTL adapter for duplex communication to the XBee radio and use your XBee’s XCTU software to connect to the USB-TTL adapter and change the settings in your XBee radios. DIGWDF XBee/ESP Snap-In Assembly & User Guide – v 20170308 -Page 3...
  • Page 4 An option to use GPIO-0 is provided although no firmware currently uses this pin for output and it’s reserved for future use; do not solder across the ‘0’ pins. DIGWDF XBee/ESP Snap-In Assembly & User Guide – v 20170308 -Page 4...
  • Page 5 U5 socket. 4. Note: in this connection scenario, you should not install the 1x4 stackable headers on the adapter. DIGWDF XBee/ESP Snap-In Assembly & User Guide – v 20170308 -Page 5...
  • Page 6 20vdc, the adapter generally does not need a heat sink to dissipate heat caused by high voltage inputs and therefore, try to find a +5vdc connection. (Note: If the controller has only DIGWDF XBee/ESP Snap-In Assembly & User Guide – v 20170308 -Page 6...
  • Page 7 Using an ESP Snap-In adapter with the Snap-In The DIGWDF ESP Snap-In was developed to plug directly into the two rows of female XBee headers as a plug-in electrical replacement for an XBee radio with the understanding that the firmware and network settings for ESP8266 operations are different and may require other firmware and/or software modifications for successful operation.
  • Page 8: Radio Configuration

    The voltage between pins 2 and 3 of the UA78M33 regulator should be 3.3vdc or close to it, regardless of which regulator is installed. If the LM1117T regulator is used, the voltage between DIGWDF XBee/ESP Snap-In Assembly & User Guide – v 20170308 -Page 8...
  • Page 9 Remember that XBees are limited to 57,600 baud communication speed. DIGWDF XBee/ESP Snap-In Assembly & User Guide – v 20170308 -Page 9...