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3	3
4	4	**Contents:**
5	5
6		-{{toc/}}
7	7
8	8
9	9
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232	232
233	233	Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
234	234
235		-[[image:image-20220610161724-10.png]]
	234	+[[image:image-20220611102908-2.png]]
236	236
237	237
238	238	(((
239		-(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
	238	+(% style="color:blue" %)**Step 3**(%%)**:** The LDDS45 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
240	240	)))
241	241
242	242	[[image:1654849068701-275.png]]
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247	247
248	248	(((
249	249	(((
250		-LDDS75 will uplink payload via LoRaWAN with below payload format:
251		-)))
	249	+LDDS45 will uplink payload via LoRaWAN with below payload format:
252	252
253		-(((
254		-Uplink payload includes in total 4 bytes.
255		-Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
	251	+Uplink payload includes in total 8 bytes.
256	256	)))
257	257	)))
258	258
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279	279	=== 2.3.1  Battery Info ===
280	280
281	281
282		-Check the battery voltage for LDDS75.
	278	+Check the battery voltage for LDDS45.
283	283
284	284	Ex1: 0x0B45 = 2885mV
285	285
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290	290	=== 2.3.2  Distance ===
291	291
292	292	(((
293		-Get the distance. Flat object range 280mm - 7500mm.
	289	+Get the distance. Flat object range 30mm - 4500mm.
294	294	)))
295	295
296	296	(((
297		-For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
	293	+For example, if the data you get from the register is __0x0B 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
298	298	)))
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image-20220611102908-2.png

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	1	+XWiki.Xiaoling

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