HC Radio Modules - Revision history

NickPGSmith: /* HC-12 */

2024-08-24T10:55:42Z

HC-12

← Older revision		Revision as of 10:55, 24 August 2024
Line 3:		Line 3:
	[[File:HC-12.jpg\|thumb]]		[[File:HC-12.jpg\|thumb]]

			* [https://www.elecrow.com/download/HC-12.pdf?srsltid=AfmBOopdWWGrtoRoLb8zyAgqlGb-eQ7veh3K9DtMOk7THwUjOaHWPP09 Manual]
	* Serial port to 433 MHz Tx/Rx		* Serial port to 433 MHz Tx/Rx
	* Range up to 1 km in free space at 5 kbps		* Range up to 1 km in free space at 5 kbps

2024-08-17T20:59:31Z

HC-12

← Older revision		Revision as of 20:59, 17 August 2024
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	** Max frequency (Ch 100): 473.0 MHz (λ/4: 0.159 m)		** Max frequency (Ch 100): 473.0 MHz (λ/4: 0.159 m)
	** Channel Step: 0.4 MHz		** Channel Step: 0.4 MHz
			* Firmware v2.6

	Note: [https://rsgb.org/main/operating/band-plans/vhf-uhf/432mhz-band/ 70 cm band]: 430 - 440 MHz		Note: [https://rsgb.org/main/operating/band-plans/vhf-uhf/432mhz-band/ 70 cm band]: 430 - 440 MHz

2024-08-17T20:59:04Z

AT Commands

← Older revision		Revision as of 20:59, 17 August 2024
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	* Any changes are activated within 80 ms		* Any changes are activated within 80 ms
	* NOTE: if Set is pulled low before power on, 9600 8N1 is always used for AT commands		* NOTE: if Set is pulled low before power on, 9600 8N1 is always used for AT commands
			* See Windows configurtion tool: [https://github.com/robert-rozee/HC-12-config HC-12-config]

	Test, should return "OK":		Test, should return "OK":

2024-05-15T13:38:35Z

AT Commands

← Older revision		Revision as of 13:38, 15 May 2024
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	AT+B57600		AT+B57600

	To change wireless command channel to 10 (001 to 127 available, but range not guaranteed for channels > 100):		To change wireless command channel to 20 / 441.00 MHz (001 to 127 available, but range not guaranteed for channels > 100):
	AT+C010		AT+C010

2024-05-15T13:21:38Z

HC-12

← Older revision		Revision as of 13:21, 15 May 2024
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	** Channel Step: 0.4 MHz		** Channel Step: 0.4 MHz

	Note: [https://~~en.wikipedia~~.org/~~wiki~~/70-~~centimeter_band~~ 70 cm band]: 430 - 440 MHz		Note: [https://rsgb.org/main/operating/band-plans/vhf-uhf/432mhz-band/ 70 cm band]: 430 - 440 MHz

	{\| class="wikitable"		{\| class="wikitable"

2024-05-15T08:08:05Z

HC-12

← Older revision		Revision as of 08:08, 15 May 2024
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	\|+ Power Settings		\|+ Power Settings
	\|-		\|-
	\|Setting Tx		\|Setting Tx \|\| 1 \|\| 2 \|\| 3 \|\| 4 \|\| 5 \|\| 6 \|\| 7 \|\| 8
	\|1
	\|2
	\|3
	\|4
	\|5
	\|6
	\|7
	\|8
	\|-		\|-
	\|Power		\|Power
	\| -1 dBm<br/>(0.8 mW)		\| -1 dBm<br/>(0.8 mW) \|\| 2 dBm<br/>(1.6 mW) \|\| 5 dBm<br/>(3.2 mW) \|\| 8 dBm<br/>(6.3 mW) \|\| 11 dBm<br/>(12 mW) \|\| 14 dBm<br/>(25 mW) \|\| 17 dBm<br/>(50 mW) \|\| 20 dBm<br/>(100 mW)
	\|2 dBm<br/>(1.6 mW)
	\|5 dBm<br/>(3.2 mW)
	\|8 dBm<br/>(6.3 mW)
	\|11 dBm<br/>(12 mW)
	\|14 dBm<br/>(25 mW)
	\|17 dBm<br/>(50 mW)
	\|20 dBm<br/>(100 mW)
	\|}		\|}

2024-05-15T08:06:03Z

HC-12

← Older revision		Revision as of 08:06, 15 May 2024
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	\|3 \|\| Rx \|\| UART input with internal pull-up		\|3 \|\| Rx \|\| UART input with internal pull-up
	\|-		\|-
	\|4 \|\| \|\| Tx \|\| UART output with internal pull-up		\|4 \|\| Tx \|\| UART output with internal pull-up
	\|-		\|-
	\|5 \|\| Set \|\| Pull low to enter setup mode: send AT commands to Rx		\|5 \|\| Set \|\| Pull low to enter setup mode: send AT commands to Rx

2024-05-15T08:05:41Z

HC-12

← Older revision		Revision as of 08:05, 15 May 2024
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	\|2 \|\| Gnd \|\| Ground		\|2 \|\| Gnd \|\| Ground
	\|-		\|-
	\|3		\|3 \|\| Rx \|\| UART input with internal pull-up
	\|Rx
	\|UART input with internal pull-up
	\|-		\|-
	\|4		\|4 \|\| \|\| Tx \|\| UART output with internal pull-up
	\|Tx
	\|UART output with internal pull-up
	\|-		\|-
	\|5		\|5 \|\| Set \|\| Pull low to enter setup mode: send AT commands to Rx
	\|Set
	\|Pull low to enter setup mode: send AT commands to Rx
	\|}		\|}

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	\|-		\|-
	\|+Transmission Rates (bps)		\|+Transmission Rates (bps)
	\|UART		\|UART \|\| 1200 \|\| 2400 \|\| 4800 \|\| 9600 \|\| 19200 \|\| 38400 \|\| 57600 \|\| 115200
	\|1200
	\|2400
	\|4800
	\|9600
	\|19200
	\|38400
	\|57600
	\|115200
	\|-		\|-
	\|In-air		\|In-air \|\| 5000 \|\| 5000 \|\| 15000 \|\| 15000 \|\| 58000 \|\| 58000 \|\| 236000 \|\| 236000
	\|5000
	\|5000
	\|15000
	\|15000
	\|58000
	\|58000
	\|236000
	\|236000
	\|}		\|}

2024-05-15T08:03:36Z

HC-12

← Older revision		Revision as of 08:03, 15 May 2024
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	\|3.2 - 5.5 V. 4.5 V recommended for continuous operation.		\|3.2 - 5.5 V. 4.5 V recommended for continuous operation.
	\|-		\|-
	\|2		\|2 \|\| Gnd \|\| Ground
	\|Gnd
	\|Ground
	\|-		\|-
	\|3		\|3

2024-05-08T04:53:36Z

3 revisions imported

← Older revision	Revision as of 04:53, 8 May 2024
(No difference)